package com.example.demo.test;

import java.util.UUID;

/**
 * @author Cassius
 * @create 2019/12/4
 * @since 1.0.0
 */
public class test1 {
    public static void main(String[] args) {
        String a= UUID.randomUUID().toString();
        System.out.println(a);
    }
}
